Varieties of Gemstones

Beryl

Emerald, aquamarine, morganite(pink),

Chrysoberyl

Chrysoberyl (greenish -yellow, yellow), alexandrite (red in tungsten light, green in daylight), cymophane (greenish-yellow cat's eye)

Corundum

sapphire (blue, violet, yellow, pink, orange,colourless,green) ruby

Feldspar

moonstone, orthoclase (yellow)

Garnet

almandine (purple/red)

pyrope (blood red)

hessonite (orange / brown, green and pink)

andradite demantoid (green), topazolite (golden yellow)

spessartite orange, yellow, flame red

uvarovite emerald green

Opal

white opal, black opal, water opal (colourless with internal iridescence) Mexican fire opal (orange)

Quartz

amethyst, citrine (yellow), rose quartz, rock crystal (clourless), aventurine quartz (green, blue or brown with mica spangles), tiger's eye (yellow/brown), jasper (red/brown)

Tourmaline

achroite (colourless), indicolite (blue), rubellite (red /pink), schorl (black), tourmaline (green, yellow, brown)